Home / 19,973.74-29,963.45-10,611.31

Finding the Fourth Proportional to 19,973.74, 29,963.45 and 10,611.31

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Solution

The fourth proportional to 19,973.74, 29,963.45 and 10,611.31 is: 15,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.74 : 29,963.45 = 10,611.31 : x
  2. Step 2: Convert to fraction form
    19,973.74/29,963.45 = 10,611.31/x
  3. Step 3: Cross multiply
    19,973.74x = 29,963.45 × 10,611.31
  4. Step 4: Simplify right side
    19,973.74x = 317,951,403.56
  5. Step 5: Solve for x
    x = 317,951,403.56/19,973.74
  6. Step 6: Final answer
    x = 15,918.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.